Does Cosmological Term Influence Gravitational Lensing?
I.B. Khriplovich, A.A. Pomeransky
TL;DR
This paper investigates whether the cosmological constant affects gravitational lensing and concludes that it does not have a significant impact when using observationally relevant coordinates.
Contribution
It provides a detailed analysis showing the cosmological constant's negligible influence on gravitational lensing in Friedmann-Robertson-Walker coordinates.
Findings
Cosmological constant does not significantly affect lensing effects.
Analysis conducted in coordinates used for actual observations.
Supports previous assumptions about the negligible role of the cosmological term in lensing.
Abstract
We analyze the bending of light by galaxies or clusters of galaxies in the presence of the cosmological term. Going over to the Friedmann-Robertson-Walker coordinates, used in fact for the description of actual observations, we demonstrate that the cosmological constant does not influence practically the lensing effect.
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